Logic Graded Classwork

Front

True/False: Logically equivalent statements are statements that have different truth values.

Back

False

Front

What is the biconditional that matches the statement: "A right angle is an angle with 90 degrees."

Back

An angle is a right angle if and only if it has 90 degrees.

Front

If just one statement in a conjunction is false, the whole conjunction is still true.

Back

False

Front

What does this mean? (Conditional Statement, Converse, Inverse, Contrapositive)

Back

Contrapositive

Front

Rewrite the conditional statement in if-then form: An obtuse angle measures more than 90° and less than 180°.

Back

If an angle is obtuse, then it measures more than 90° and less than 180°.

Front

What is a conditional statement?

Back

A statement that can be written in the form "If P, then Q."

Front

Define a biconditional statement.

Back

A statement that combines a conditional statement and its converse, written as "P if and only if Q."

Front

What is the converse of a conditional statement?

Back

The statement formed by reversing the hypothesis and conclusion.

Front

What is the inverse of a conditional statement?

Back

The statement formed by negating both the hypothesis and conclusion.

Front

What is a conjunction in logic?

Back

A compound statement formed by joining two statements with the word 'and', which is true only if both statements are true.